Pendleton climate — normals and trends

Q: What is the climate of Pendleton?

Pendleton has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 11.1 °C and it receives 475 mm of precipitation per year.

Q: What is the hottest day ever recorded in Pendleton?

The hottest day measured in Pendleton between 1940 and 2025 was 29 June 2021, reaching 44.6 °C.

Q: What is the coldest day in Pendleton?

The coldest day measured in Pendleton between 1940 and 2025 was 31 January 1950, at -28.1 °C.

Q: Does it snow in Pendleton?

Yes. Pendleton gets on average 47.2 cm of snow per year and has around 79 frost days.

Q: Has the climate of Pendleton warmed?

Yes: Pendleton warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Pendleton?

The wettest day measured in Pendleton between 1940 and 2025 was 18 November 1996, with 34 mm of rain in 24 hours.

Q: What was the windiest day in Pendleton?

The windiest day measured in Pendleton between 1940 and 2025 was 8 January 1990, with winds reaching 52.8 km/h.

Q: What is the warmest month in Pendleton?

The warmest month in Pendleton is July (23.1 °C on average); the coldest is January (0.8 °C).

Q: How much does it rain in Pendleton?

Pendleton receives on average 475 mm of precipitation per year, spread over about 100 rainy days.

Q: Is it sunny in Pendleton?

Pendleton gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.

Climate normals · ERA5

PendletonOregon

coords: 45.67°, -118.79°
period: 1940–2025 · 86 yrs

CsaHot-summer MediterraneanWarmest monthJulyColdest monthJanuaryWettest monthDecemberDriest monthJuly

The normals for this period

The average of every indicator across the whole window: temperature, water, sky, wind and notable days.

Mean daily temperature

11.1°C

Average daily high

16.7°C

Average daily low

5.7°C

Annual rainfall

475mm

Sunshine / day

10.0h

Mean relative humidity

59%

Average peak wind

15.3km/h

Seasonal range

22.3°C

Frost days (< 0 °C)

79 d/yr

Hot days (≥ 30 °C)

44 d/yr

Rainy days (≥ 1 mm)

100 d/yr

Annual snowfall

47.2 cm

Average feels-like high

14.1 °C

Average feels-like low

2.5 °C

Average peak gust

33.5 km/h

Tropical nights (≥ 20 °C)

4 d/yr

Solar radiation

15.9 MJ/m²

Has the climate changed?

What the yearly averages say about warming here, and whether the slope is statistically solid.

+1.4 °C

since 1940

+0.2 °C per decade · r² = 0.27 · p = < 0.001

19402025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

Climate month by month

How an average year unfolds: when it rains, when it turns hot, when the sun is out.

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

The most extreme days ever measured here, then the year-by-year detail.

Hottest day

44.6 °C

29 June 2021

Coldest day

-28.1 °C

31 January 1950

Wettest day

34 mm

18 November 1996

Windiest day

52.8 km/h

8 January 1990

Strongest gust

100.8 km/h

6 February 1999

Hottest feels-like

44.9 °C

29 June 2021

Coldest feels-like

-33.6 °C

31 January 1950

Snowiest day

16.0 cm

24 February 1994

Sunniest day

15.5 h

18 June 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	37.7 °C13 July 2025	-22.6 °C12 February 2025	12.6 °C	455 mm	59	65
2024	39.5 °C9 July 2024	-20.7 °C13 January 2024	11.9 °C	513 mm	49	60
2023	40.0 °C15 August 2023	-13.1 °C30 January 2023	12.2 °C	393 mm	64	76
2022	41.8 °C29 July 2022	-17.9 °C1 January 2022	11.4 °C	587 mm	59	95
2021	44.6 °C29 June 2021	-17.8 °C31 December 2021	12.7 °C	428 mm	65	66
2020	41.2 °C30 July 2020	-8.3 °C15 January 2020	12.3 °C	449 mm	49	78
2019	37.6 °C6 August 2019	-14.4 °C7 February 2019	10.8 °C	474 mm	52	102
2018	40.2 °C8 August 2018	-12.2 °C20 February 2018	12.2 °C	444 mm	46	66
2017	37.9 °C6 July 2017	-16.6 °C14 January 2017	11.3 °C	554 mm	68	78
2016	38.2 °C29 July 2016	-18.7 °C17 December 2016	12.5 °C	478 mm	44	59
2015	41.4 °C28 June 2015	-13.6 °C1 January 2015	13.3 °C	360 mm	68	60
2014	39.1 °C16 July 2014	-14.4 °C6 February 2014	11.9 °C	459 mm	47	75
2013	40.1 °C1 July 2013	-21.1 °C8 December 2013	11.3 °C	342 mm	66	95
2012	38.3 °C8 July 2012	-9.3 °C12 January 2012	12.0 °C	540 mm	49	68
2011	35.2 °C27 August 2011	-12.7 °C26 February 2011	10.7 °C	407 mm	43	89
2010	36.9 °C9 July 2010	-17.1 °C24 November 2010	11.4 °C	550 mm	37	68
2009	39.5 °C1 August 2009	-16.3 °C8 December 2009	11.0 °C	404 mm	55	98
2008	40.0 °C17 August 2008	-19.5 °C16 December 2008	10.9 °C	426 mm	46	85
2007	41.3 °C5 July 2007	-12.8 °C13 January 2007	11.4 °C	365 mm	49	81
2006	41.3 °C23 July 2006	-12.8 °C19 February 2006	12.0 °C	495 mm	61	65
2005	37.9 °C28 July 2005	-11.9 °C8 December 2005	11.5 °C	370 mm	49	80
2004	38.4 °C24 July 2004	-22.7 °C5 January 2004	12.0 °C	421 mm	50	68
2003	39.7 °C30 July 2003	-12.0 °C30 December 2003	12.3 °C	437 mm	62	72
2002	40.7 °C12 July 2002	-10.7 °C28 January 2002	11.2 °C	350 mm	44	94
2001	36.8 °C12 August 2001	-8.3 °C17 January 2001	11.5 °C	356 mm	48	79
2000	37.4 °C21 July 2000	-8.9 °C11 November 2000	10.8 °C	461 mm	37	88
1999	37.1 °C28 July 1999	-5.3 °C11 February 1999	11.6 °C	339 mm	42	51
1998	41.0 °C4 August 1998	-16.0 °C21 December 1998	12.2 °C	513 mm	54	59
1997	37.0 °C6 August 1997	-11.7 °C27 January 1997	11.2 °C	447 mm	24	90
1996	39.3 °C26 July 1996	-22.1 °C31 January 1996	10.6 °C	674 mm	41	77
1995	34.4 °C18 July 1995	-19.3 °C14 February 1995	11.2 °C	568 mm	33	70
1994	39.2 °C22 July 1994	-14.2 °C5 December 1994	11.9 °C	444 mm	50	75
1993	34.9 °C5 August 1993	-17.2 °C10 January 1993	9.6 °C	367 mm	29	97
1992	39.7 °C31 July 1992	-10.1 °C6 December 1992	12.2 °C	361 mm	49	64
1991	37.4 °C3 July 1991	-11.0 °C5 January 1991	11.2 °C	402 mm	39	73
1990	39.4 °C11 July 1990	-26.0 °C29 December 1990	11.8 °C	422 mm	53	64
1989	36.2 °C7 August 1989	-21.0 °C4 February 1989	10.6 °C	424 mm	29	89
1988	39.3 °C20 July 1988	-11.6 °C3 January 1988	11.5 °C	466 mm	52	78
1987	38.0 °C14 July 1987	-13.4 °C16 January 1987	11.6 °C	358 mm	48	76
1986	37.9 °C9 August 1986	-12.7 °C10 November 1986	11.2 °C	460 mm	45	74
1985	37.8 °C20 July 1985	-25.6 °C4 February 1985	8.9 °C	369 mm	40	132
1984	37.2 °C25 July 1984	-20.8 °C19 December 1984	10.3 °C	585 mm	39	75
1983	35.8 °C28 May 1983	-26.6 °C23 December 1983	10.9 °C	570 mm	29	60
1982	38.3 °C7 August 1982	-16.6 °C6 January 1982	10.8 °C	567 mm	45	82
1981	37.4 °C8 August 1981	-12.9 °C10 February 1981	11.2 °C	534 mm	40	66
1980	36.3 °C21 July 1980	-15.7 °C28 January 1980	10.5 °C	498 mm	23	79
1979	38.8 °C20 July 1979	-20.6 °C1 January 1979	10.8 °C	405 mm	44	87
1978	38.7 °C25 July 1978	-20.0 °C30 December 1978	10.3 °C	544 mm	32	81
1977	38.9 °C17 August 1977	-16.8 °C8 January 1977	11.0 °C	464 mm	50	74
1976	36.1 °C16 July 1976	-11.7 °C6 February 1976	10.8 °C	388 mm	25	76
1975	40.0 °C9 July 1975	-15.3 °C30 January 1975	11.1 °C	617 mm	41	77
1974	37.5 °C28 July 1974	-19.8 °C5 January 1974	12.0 °C	444 mm	56	45
1973	37.9 °C15 July 1973	-18.8 °C7 January 1973	11.8 °C	551 mm	54	64
1972	41.2 °C7 August 1972	-22.2 °C9 December 1972	11.2 °C	530 mm	53	65
1971	40.1 °C11 August 1971	-9.4 °C4 January 1971	11.4 °C	582 mm	44	67
1970	38.1 °C3 July 1970	-13.1 °C11 January 1970	11.0 °C	583 mm	53	83
1969	35.7 °C23 August 1969	-18.1 °C23 January 1969	10.5 °C	496 mm	47	95
1968	39.6 °C6 July 1968	-25.0 °C30 December 1968	11.7 °C	540 mm	44	55
1967	39.4 °C16 August 1967	-12.7 °C14 December 1967	12.5 °C	434 mm	72	52
1966	35.8 °C29 July 1966	-8.5 °C15 February 1966	11.9 °C	538 mm	37	61
1965	37.7 °C31 July 1965	-12.1 °C23 December 1965	11.3 °C	455 mm	34	80
1964	38.7 °C12 July 1964	-25.8 °C17 December 1964	10.4 °C	638 mm	28	81
1963	36.0 °C8 August 1963	-20.6 °C11 January 1963	11.0 °C	488 mm	45	77
1962	37.7 °C23 July 1962	-22.8 °C21 January 1962	11.1 °C	459 mm	36	57
1961	42.7 °C4 August 1961	-16.7 °C11 December 1961	11.7 °C	532 mm	57	63
1960	41.0 °C18 July 1960	-15.8 °C18 January 1960	10.7 °C	554 mm	48	90
1959	39.6 °C22 July 1959	-21.0 °C4 January 1959	10.6 °C	537 mm	36	88
1958	38.3 °C28 July 1958	-10.9 °C17 November 1958	12.5 °C	528 mm	69	54
1957	34.6 °C5 July 1957	-26.7 °C27 January 1957	10.3 °C	571 mm	27	77
1956	37.7 °C22 August 1956	-23.0 °C1 February 1956	10.6 °C	499 mm	39	86
1955	38.6 °C14 July 1955	-21.5 °C15 November 1955	9.8 °C	612 mm	39	113
1954	35.2 °C1 August 1954	-20.5 °C20 January 1954	10.4 °C	492 mm	21	89
1953	36.9 °C7 July 1953	-6.3 °C24 February 1953	11.7 °C	672 mm	36	44
1952	37.9 °C10 July 1952	-16.3 °C1 January 1952	11.1 °C	386 mm	41	97
1951	37.2 °C12 July 1951	-16.6 °C29 January 1951	11.1 °C	477 mm	48	91
1950	38.2 °C2 September 1950	-28.1 °C31 January 1950	10.5 °C	607 mm	50	73
1949	37.4 °C31 July 1949	-18.1 °C25 January 1949	10.8 °C	361 mm	41	87
1948	38.5 °C29 June 1948	-15.1 °C7 February 1948	10.2 °C	623 mm	28	87
1947	35.6 °C17 July 1947	-22.1 °C14 January 1947	10.4 °C	496 mm	24	94
1946	38.0 °C21 July 1946	-13.1 °C30 December 1946	10.0 °C	505 mm	26	98
1945	35.2 °C12 July 1945	-14.2 °C18 December 1945	10.5 °C	491 mm	42	90
1944	35.6 °C18 July 1944	-10.9 °C14 March 1944	10.3 °C	332 mm	28	113
1943	34.2 °C30 July 1943	-21.0 °C18 January 1943	9.8 °C	336 mm	25	106
1942	37.1 °C19 August 1942	-20.0 °C1 January 1942	10.0 °C	422 mm	38	109
1941	39.3 °C17 July 1941	-9.8 °C27 December 1941	10.7 °C	349 mm	36	92
1940	36.7 °C11 July 1940	-16.0 °C21 January 1940	11.0 °C	432 mm	46	97

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and compare it with the normal: warmer, drier, more extreme?

Year

Across the whole year

Average daily high

18.4 °C

+1.7 °C

Hot days (≥ 30 °C)

59 d/yr

+15

Frost days (< 0 °C)

65 d/yr

-14

Annual rainfall

455 mm

-21 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	4.8 °C	+0.6 °C	52 mm	-11 mm
Feb	5.0 °C	-2.7 °C	91 mm	+42 mm
Mar	13.7 °C	+1.9 °C	63 mm	+8 mm
Apr	17.6 °C	+1.7 °C	21 mm	-23 mm
May	21.8 °C	+1.0 °C	16 mm	-22 mm
Jun	27.8 °C	+2.7 °C	2 mm	-22 mm
Jul	31.9 °C	+1.5 °C	4 mm	-2 mm
Aug	31.0 °C	+1.6 °C	9 mm	-1 mm
Sep	28.0 °C	+3.6 °C	12 mm	-7 mm
Oct	16.5 °C	-0.5 °C	38 mm	-1 mm
Nov	11.1 °C	+2.0 °C	47 mm	-16 mm
Dec	10.1 °C	+5.2 °C	100 mm	+34 mm

The year's extremes

Hottest day

37.7 °C

13 Jul 2025

Coldest day

-22.6 °C

12 Feb 2025

Wettest day

19.8 mm

3 Jan 2025

Windiest day

44.2 km/h

17 Dec 2025

Strongest gust

91.4 km/h

17 Dec 2025

Hottest feels-like

38.0 °C

9 Jun 2025

Coldest feels-like

-27.9 °C

12 Feb 2025

Snowiest day

5.4 cm

4 Feb 2025

Sunniest day

15.5 h

18 Jun 2025

What was the weather like that day?

The weather actually measured on a given date, anywhere in the covered window.

Date

Climate at a glance

What these normals say about the place, in a few sentences, and the notions needed to read them.

Pendleton (United States) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 11.1 °C and it receives 475 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is July (23.1 °C on average) and the coldest is January (0.8 °C). Rainfall peaks in December.

Pendleton averages 79 frost days, 44 hot days (≥ 30 °C) and 100 rainy days per year.

Pendleton has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.

The number of frost days there went from about 86 to 72 per year over the period.

The hottest day of the period reached 44.6 °C (on 29 June 2021) and the coldest -28.1 °C (on 31 January 1950).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Compare Pendleton with another city

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Frequently asked questions

What is the climate of Pendleton?

Pendleton has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 11.1 °C and it receives 475 mm of precipitation per year.

What is the hottest day ever recorded in Pendleton?

The hottest day measured in Pendleton between 1940 and 2025 was 29 June 2021, reaching 44.6 °C.

What is the coldest day in Pendleton?

The coldest day measured in Pendleton between 1940 and 2025 was 31 January 1950, at -28.1 °C.

Does it snow in Pendleton?

Yes. Pendleton gets on average 47.2 cm of snow per year and has around 79 frost days.

Has the climate of Pendleton warmed?

Yes: Pendleton warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Pendleton?

The wettest day measured in Pendleton between 1940 and 2025 was 18 November 1996, with 34 mm of rain in 24 hours.

What was the windiest day in Pendleton?

The windiest day measured in Pendleton between 1940 and 2025 was 8 January 1990, with winds reaching 52.8 km/h.

What is the warmest month in Pendleton?

The warmest month in Pendleton is July (23.1 °C on average); the coldest is January (0.8 °C).

How much does it rain in Pendleton?

Pendleton receives on average 475 mm of precipitation per year, spread over about 100 rainy days.

Is it sunny in Pendleton?

Pendleton gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.

What is the biggest single-day snowfall in Pendleton?

The heaviest 24-hour snowfall measured in Pendleton between 1940 and 2025 was 24 February 1994, with 16.0 cm.

Are there tropical nights in Pendleton?

Yes: Pendleton has on average 4 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Pendleton?

In Pendleton, between 1940 and 2025, the highest apparent temperature reached 44.9 °C on 29 June 2021, and the lowest was -33.6 °C on 31 January 1950.

These forecasts and records come from our own weather API. Developer documentation →